# -*- coding: utf-8 -*-#
#-------------------------------------------------------------------------------
# 建立者:        Young  
# Name:         demo0936
# Description:
# Author:       $赵怡蕾
# Date:         2019/3/27
#-------------------------------------------------------------------------------

a = 10
b = 2

def div(a,b):
    c = 0
    try :
        c = a / b
        return c
    except Exception as e:
        print(e)
        return None # 此处return是没有作用的
    finally:
        c = c + 100
        return c


if __name__ == '__main__':
    d = div(a,b)
    print(d)